No problem, we've got 9987 and 8315 to multiply
9987 × 8315 = 8315 × (9987)
+ 8315 × 7 that equals 58205
+ 8315 × 80 giving us 665200
+ 8315 × 900 which equals 7483500
+ 8315 × 9000 producing 74835000

= 83041905
